/Engine/Plugins/FX/Niagara/Source/Niagara/Public/INiagaraMergeManager.h
[FMergeEmitterResults](API\Plugins\Niagara\INiagaraMergeManager\FMergeEmitterResults) MergeEmitter ( const [FVersionedNiagaraEmitter](API\Plugins\Niagara\FVersionedNiagaraEmitter) & Parent, const [FVersionedNiagaraEmitter](API\Plugins\Niagara\FVersionedNiagaraEmitter) & ParentAtLastMerge, const [FVersionedNiagaraEmitter](API\Plugins\Niagara\FVersionedNiagaraEmitter) & Instance ) const